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CGP EDU Academic Team
Published on: September 12, 2026
The number of degrees of freedom for each atom of a monoatomic gas is
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A
In a monoatomic gas, each atom behaves like a point particle. This means that it can move in three-dimensional space, which gives it 3 translational degrees of freedom.
Therefore, since there are no rotational or vibrational modes available to a monoatomic gas atom, the total number of degrees of freedom for each atom is 3.
- Translational Degrees of Freedom: These are the degrees associated with the motion of a particle in three-dimensional space, which is represented by the x, y, and z axes.
Therefore, since there are no rotational or vibrational modes available to a monoatomic gas atom, the total number of degrees of freedom for each atom is 3.
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